CN217204695U - Outer wall bolt hole plugging structure - Google Patents

Abstract

The utility model provides an outer wall bolt hole shutoff structure. This outer wall bolt hole shutoff structure includes: wall and shutoff piece. The wall body is provided with bolt holes. The plugging piece is made of concrete, and a prefabricated finished plugging piece is directly inserted into the bolt hole so as to rapidly plug the bolt hole, so that the construction mode is simple, and the construction efficiency is improved. In addition, the plugging piece is made of concrete, the integrity between the plugging piece and a wall body with a concrete structure is good, and the structural strength of the wall body is effectively guaranteed. In addition, when the plugging member prefabricated by concrete is inserted into the bolt hole, the depth and compactness of the plugging member can be checked more visually, so that the bolt hole can be plugged better, and the plugging effect is controllable. The reinforcing ribs penetrate through the blocking piece, so that the structural strength of the blocking piece is enhanced, the problem that the blocking piece made of concrete is easily brittle and broken is solved, the blocking effect is further improved, the utilization rate of the blocking piece is improved, and the cost of using the blocking piece is reduced.

Description

Outer wall bolt hole plugging structure

Technical Field

The utility model relates to a construction field, in particular to outer wall bolt hole block structure.

Background

In the concrete pouring link of the building engineering, the template technology is generally adopted, namely, the templates are used for pouring and forming, and the templates on two sides are tightly pulled by using split bolts in the pouring process to form reliable connection.

Taking common steel, aluminum and wood templates as examples, when the template is used, the template needs to be drilled and matched with a split bolt to be fixed, the split bolt is a steel bolt, and nuts are arranged at two ends of the split bolt. Guarantee to pour in-process template indeformable, aversion through split bolt fastening back, for the demolish of split bolt, can set up the PVC pipe fitting on the split bolt in pouring region usually, demolish the template after, the split bolt can be demolishd in the lump, in split bolt department, forms a bolt hole that runs through the wall body.

In the related art, the method of plugging the bolt hole on the outer wall generally adopts the mode of firstly removing the finished conical sleeve, then filling foaming glue into the bolt hole, and then driving expanded cement mortar into the two sides. Or directly adopting anti-crack mortar to carry out plugging. But adopt above mode construction complicacy, and be difficult to guarantee the shutoff effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an outer wall bolt hole shutoff structure to simplify the construction mode of shutoff bolt hole, and improve the shutoff effect.

In order to solve the technical problem, the utility model adopts the following technical scheme:

according to an aspect of the utility model, the utility model provides an outer wall bolt hole shutoff structure: the wall body is provided with a bolt hole; the wall body comprises a water-facing surface and a water-backing surface, and the bolt holes penetrate through the water-facing surface and the water-backing surface of the wall body; the plugging piece is made of concrete, and reinforcing ribs penetrate through the plugging piece; the plugging piece is inserted into the bolt hole to plug the bolt hole; the reinforcing ribs extend along the axial direction of the plugging piece; the length of the reinforcing rib is equal to that of the plugging piece; and a micro-expansion type cement mortar layer is arranged between the inner wall of the bolt hole and the plugging piece.

Furthermore, the reinforcing ribs are glass fiber rods.

Furthermore, the outer wall bolt hole plugging structure also comprises a waterproof plug; the waterproof plug is arranged in the bolt hole and is positioned at one end of the plugging piece, which is close to the upstream face.

Furthermore, the waterproof plugs are two, one of the waterproof plugs is located at one end, close to the upstream surface, of the plugging piece, and the other waterproof plug is located at one end, close to the downstream surface, of the plugging piece.

Furthermore, the waterproof plug is a water-swelling rubber plug.

Furthermore, one end of the plugging piece close to the back water surface is poured with an adhesive.

Furthermore, the outer wall bolt hole plugging structure also comprises a waterproof layer; the waterproof layer is coated on the upstream face of the wall body and covers the waterproof plug.

According to the above technical scheme, the utility model discloses following advantage and positive effect have at least:

the utility model discloses in the outer wall bolt hole plugging structure, directly insert prefabricated finished product shutoff piece and establish in the bolt hole to shutoff bolt hole fast, construction method is simple, has improved the efficiency of construction. And the plugging piece is made of concrete, the integrity between the plugging piece and the wall body of a concrete structure is good, the structural strength of the wall body is effectively guaranteed, and the wall body is prevented from cracking. In addition, when the plugging member prefabricated by concrete is inserted and arranged in the bolt hole, the depth and the compactness of the plugging member can be checked more visually, so that the bolt hole can be plugged better, the plugging effect is controllable, and the situations of leakage, moisture regain and the like of the outer wall are avoided. The reinforcing ribs penetrate through the blocking piece, so that the structural strength of the blocking piece is enhanced, the problem that the blocking piece made of concrete is easily brittle and broken is solved, the blocking effect is further improved, the utilization rate of the blocking piece is improved, and the cost of using the blocking piece is reduced.

Drawings

Fig. 1 is a schematic structural view of an exterior wall in casting construction.

Fig. 2 is a schematic structural view of an outer wall bolt hole plugging structure according to an embodiment of the present invention applied to an outer wall.

Fig. 3 is a schematic structural view of the outer wall bolt hole blocking structure in fig. 2.

Fig. 4 is an exploded view of the wall and outer wall bolt hole plugging structure of fig. 2.

The reference numerals are illustrated below: 11. a wallboard; 12. a bolt; 13. a sleeve; 14. a wall body; 141. bolt holes; 142. a water-facing surface; 143. a water-backed surface; 2. a blocking member; 21. reinforcing ribs; 22. a micro-expansion type cement mortar layer; 3. a waterproof plug; 4. a waterproof layer; 5. an external thermal insulation system.

Detailed Description

Exemplary embodiments that embody features and advantages of the present invention will be described in detail in the following description. It is to be understood that the invention is capable of other and different embodiments and its several details are capable of modification without departing from the scope of the invention, and that the description and drawings are to be regarded as illustrative in nature and not as restrictive.

In the description of the present application, it is to be understood that the indications of directions or positional relationships (such as up, down, left, right, front, rear, and the like) in the embodiments shown in the drawings are merely for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated. These descriptions are appropriate when the elements are in the positions shown in the drawings. If the description of the positions of these elements changes, the indication of these directions changes accordingly.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In the related art, the method of plugging the bolt hole on the outer wall generally adopts the mode of firstly removing the finished conical sleeve, then filling foaming glue into the bolt hole, and then driving expanded cement mortar into the two sides. Or directly adopting anti-crack mortar to carry out plugging. But adopt above mode construction complicacy, and be difficult to guarantee the shutoff effect.

Fig. 1 is a schematic structural view of an exterior wall in casting construction. Fig. 2 is a schematic structural diagram of an embodiment of the present invention, in which the plugging structure of the outer wall bolt hole 141 is applied to the outer wall.

Referring to fig. 1 and 2, during the outer wall casting construction, a plurality of wall panels 11 enclose a casting cavity for casting concrete, bolts 12 penetrate through the casting cavity to connect and fix the wall panels 11, sleeves 13 are sleeved on the bolts 12, and the sleeves 13 are located in the casting cavity. Concrete is poured in the pouring cavity, the concrete is cured to form the wall 14 of the outer wall, and the bolt 12 is taken out of the sleeve 13, so that the bolt hole 141 is formed. The outer wall bolt hole 141 plugging structure of the present embodiment is mainly used for plugging the bolt hole 141 on the outer wall 14, so as to solve the problems in the related art.

It will be appreciated that in fig. 1, the sleeve 13 is tapered with a large cross-section open at one end and a small cross-section open at the other end, thereby forming a tapered bolt hole 141. In other embodiments, the cross-section of the sleeve 13 may be equal throughout, thereby forming a cylindrical bolt hole 141.

Fig. 3 is a schematic structural diagram of the blocking structure of the outer wall bolt hole 141 in fig. 2. Fig. 4 is an exploded view of the wall body 14 and the outer wall bolt hole 141 plugging structure in fig. 2.

Referring to fig. 2 to 4, an embodiment of the present invention provides an external wall bolt hole 141 plugging structure, which includes a plugging member 2, a waterproof plug 3, a waterproof layer 4 and an external thermal insulation system 5.

The plugging member 2 is tapered to fit the tapered bolt hole 141, and the plugging member 2 is inserted in the bolt hole 141 to plug the bolt hole 141.

In other embodiments, the plug 2 may also be cylindrical to fit the cylindrical bolt hole 141.

It can be understood that the plugging member 2 is a prefabricated finished product, and after the plugging member 2 is transported to a construction site, the plugging member 2 can be directly inserted into the bolt hole 141 so as to rapidly plug the bolt hole 141, so that the construction mode is simple, and the construction efficiency is improved.

In some embodiments, the wall 14 includes an upstream surface 142 and a downstream surface 143, the bolt holes 141 extend through the upstream surface 142 and the downstream surface 143 of the wall 14, and the bolt holes 141 are tapered from the upstream surface 142 to the downstream surface 143, that is, one end of the tapered bolt hole 141 with a large opening cross section is located at the upstream surface 142, and the other end of the tapered bolt hole 141 with a small opening cross section is located at the downstream surface 143. The tapered plugging member 2 is inserted into the bolt hole 141 from the opening of the bolt hole 141 on the upstream face 142 side, and by the taper, it is possible to prevent water from flowing into the bolt hole 141 from the upstream face 142 side, and to prevent the wall 14 from leaking, getting damp, and the like.

In other embodiments, the end of the tapered bolt hole 141 with a larger opening cross section may be located on the rear surface 143, and the end with a smaller opening cross section is located on the upstream surface 142. The conical block piece 2 is inserted into the bolt hole 141 from the opening of the bolt hole 141 on the side of the backside surface 143.

The plugging piece 2 is made of concrete, has good integrity with the wall 14 with a concrete structure, effectively ensures the structural strength of the wall 14 and avoids the cracking of the wall 14.

In addition, when the prefabricated plugging member 2 of adoption concrete is inserted and is established in bolt hole 141, its degree of depth and closely knit degree all can more audio-visual inspection to in plugging bolt hole 141 better, the shutoff effect is controllable, has avoided the outer wall to take place the condition such as seepage, regain.

Wear to be equipped with strengthening rib 21 in the shutoff piece 2, strengthening rib 21 is used for strengthening the structural strength of shutoff piece 2, avoids the easy brittle failure's of shutoff piece 2 that the concrete was made problem, has further improved the shutoff effect to improve the utilization ratio of shutoff piece 2, reduced the cost of using shutoff piece 2.

In some embodiments, the reinforcement ribs 21 extend in the axial direction of the closure 2 to better reinforce the structural strength of the closure 2.

In some embodiments, the reinforcement ribs 21 are located on the axis of the block piece 2, further enhancing the structural strength of the block piece 2.

In other embodiments, the ribs 21 may also be arranged obliquely to the axis of the block piece 2, i.e. the ribs 21 are angled with respect to the axis of the block piece 2.

In some embodiments, the reinforcing ribs 21 are of the same length as the block piece 2, further reinforcing the structural strength of the block piece 2.

In some embodiments, the reinforcing ribs 21 are glass fiber rods, so that the good toughness of the glass fiber rods is utilized to avoid brittle fracture of the plugging member 2, and the material loss can be reduced by about 8%.

In other embodiments, the reinforcing bars 21 may be steel bars.

In some embodiments, after the bolt 12 is removed, the bolt hole 141 is wetted with water, and then the prefabricated plugging member 2 is soaked in the micro-expansive type cement mortar for 3 to 5 seconds and then plugged into the wetted bolt hole 141, so that the micro-expansive type cement mortar can plug the gap between the plugging member 2 and the bolt hole 141 after expansion, that is, a micro-expansive type cement mortar layer 22 is arranged between the inner wall of the bolt hole 141 and the plugging member 2, thereby better plugging the bolt hole 141.

Moreover, 141 hole types and specifications of the bolt holes needing to be plugged in the current construction floor can be quickly generated by adopting a BIM three-dimensional technology, the plugging piece 2 and the micro-expansion type cement mortar are accurately configured, and material waste is reduced.

In other embodiments, the plugging member 2 may be inserted after the micro-expansive cement mortar is poured into the bolt hole 141.

In some embodiments, the micro-expansive type cement mortar comprises anti-crack mortar, a sealant, a polymer cement waterproof coating, an expanding agent and cement, wherein the mass ratio of the anti-crack mortar to the expanding agent is as follows: sealing gum: polymer cement waterproof coating: swelling agent: cement equal to 100: 20: 10: 9: 1.

still referring to fig. 2 to 4, the waterproof plug 3 is disposed in the bolt hole 141, and the waterproof plug 3 cooperates with the plugging member 2 to more tightly plug the bolt hole 141.

The waterproof plugs 3 are two, and one of the waterproof plugs 3 is located at one end of the plugging member 2 close to the upstream face 142 and is flush with the upstream face 142, so as to better plug the opening of the bolt hole 141 at one end of the upstream face 142. The other waterproof plug 3 is located at the end of the block piece 2 close to the back surface 143 and is flush with the back surface 143 to better block the opening of the bolt hole 141 at the end of the back surface 143.

In other embodiments, only one waterproof plug 3 may be provided and located at the end of the block piece 2 close to the upstream face 142. The one end that is close to the surface of a backing 143 of shutoff piece 2 is poured into the binder, can block up the opening that bolt hole 141 is located the surface of a backing 143 one end after the binder solidification.

It should be noted that, the end of the plugging member 2 close to the upstream surface 142 may be a waterproof plug 3 in the upstream surface 142 or in a wading room, and a non-wading room may also be directly filled with a micro-expansive type cement paste and scraped off.

In some embodiments, the length of the prefabricated plugs 2 is less than 20mm of the width of the wall 14, i.e. less than 20mm of the bolt holes 141, to reserve space for plugging the waterproof plugs 3 or adhesives. The diameter of the larger cross-section end of the block piece 2 was 34.28mm and the diameter of the smaller cross-section end of the block piece 2 was 18.29 mm.

The diameter of the reinforcing rib 21 can be 1.3mm, and the reinforcing rib 21 is made of a solid glass fiber rod with high temperature resistance, corrosion resistance, high elasticity and good insulating property.

In some embodiments, the waterproof plug 3 is a water-swellable rubber plug, better blocking the bolt hole 141.

In some embodiments, the water-swellable rubber plug should be made of high-temperature integrally hydraulic-formed natural rubber with a thickness of 10mm and high swelling rate and good water stopping performance.

With continued reference to fig. 2 to 4, the waterproof layer 4 is coated on the upstream surface 142 of the wall 14 and covered with the waterproof plug 3, and the waterproof layer 4 and the waterproof plug 3 can greatly reduce the leakage risk by about 10%.

The waterproof layer 4 should be made of an aggregate cement waterproof coating material that does not react with the waterproof plug 3.

In some embodiments, the thickness of the waterproof layer 4 is not less than 1.5mm for better waterproof effect.

In some embodiments, the waterproof layer 4 is coated in two times, and the painting range is square or round with the reserved waterproof plug 3 as the center and the painting radius not less than 50mm, so that the waterproof layer can be better waterproof.

Referring to fig. 2, the external thermal insulation system 5 is attached to the upstream surface 142 of the wall 14 and covered with the waterproof layer 4, thereby achieving a thermal insulation effect on the wall 14, further preventing the wall 14 from cracking and improving a sound insulation effect.

By adopting the plugging structure of the outer wall bolt hole 141, before plugging the bolt hole 141, the quantity and specification of the prefabricated plugging pieces 2 required by the current floor are output by adopting a BIM three-dimensional model, and a material application plan sheet is formed. The bolts 12 on the exterior wall 14 are removed and the bolt holes 141 are wetted. Then, the prefabricated plugging piece 2 is soaked in the micro-expansion type cement mortar for 3-5s and then is plugged into the wetted bolt hole 141, the micro-expansion type cement mortar between the inner wall of the bolt hole 141 and the prefabricated plugging piece 2 forms a micro-expansion type cement mortar layer 22, then the waterproof plug 3 is plugged into one end, close to the upstream surface 142, of the prefabricated plugging piece 2, the waterproof plug 3 (or an adhesive) is filled and leveled on one side of the downstream surface 143, the waterproof layer 4 is coated on the outer side of the waterproof plug 3, and finally the construction of an insulating layer or a surface layer is carried out on the upstream side, so that the construction efficiency can be improved, and the personnel investment can be reduced by about 40%.

And the method avoids the problems that a foaming agent filling mode is used, workers often perform direct cutting treatment after filling the foaming agent, do not squeeze and collect the foaming agent before solidification, or the filling depth of cement mortar cannot meet the specified requirement, and hollowing and cracking exist in later-stage plastering. The method for filling the anti-crack mortar also avoids the problems that workers do not clean and directly plug the PVC sleeve 13 in the reaming process, or an injector is not used for injection in the plugging process, so that the injection depth of the anti-crack mortar is insufficient, and the plugging effect is poor.

Based on above-mentioned technical scheme, the embodiment of the utility model provides an at least, following advantage and positive effect have.

The utility model discloses in the outer wall bolt hole 141 block structure, directly insert prefabricated finished product shutoff piece 2 and establish in bolt hole 141 to shutoff bolt hole 141 fast, the construction method is simple, has improved the efficiency of construction. In addition, the plugging piece 2 is made of concrete, the integrity between the plugging piece and the wall 14 with a concrete structure is good, the structural strength of the wall 14 is effectively guaranteed, and the wall 14 is prevented from cracking. In addition, when the prefabricated plugging member 2 of adoption concrete is inserted and is established in bolt hole 141, its degree of depth and closely knit degree all can more audio-visual inspection to in plugging bolt hole 141 better, the shutoff effect is controllable, has avoided the outer wall to take place the condition such as seepage, regain. The reinforcing ribs 21 penetrate through the plugging piece 2, so that the structural strength of the plugging piece 2 is enhanced, the problem that the plugging piece 2 made of concrete is easily brittle and broken is solved, the plugging effect is further improved, the utilization rate of the plugging piece 2 is improved, and the cost for using the plugging piece 2 is reduced.

While the present invention has been described with reference to several exemplary embodiments, it is understood that the terms used are words of description and illustration, rather than words of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims (7)

1. The outer wall bolt hole plugging structure is characterized by comprising a wall body and a plugging piece, wherein the wall body is provided with a bolt hole; the wall body comprises a water-facing surface and a water-backing surface, and the bolt holes penetrate through the water-facing surface and the water-backing surface of the wall body; the plugging piece is made of concrete, and reinforcing ribs penetrate through the plugging piece; the plugging piece is inserted into the bolt hole to plug the bolt hole; the reinforcing ribs extend along the axial direction of the plugging piece; the length of the reinforcing rib is equal to that of the plugging piece; and a micro-expansion type cement mortar layer is arranged between the inner wall of the bolt hole and the plugging piece.

2. The plugging structure for bolt holes in an exterior wall according to claim 1, wherein the reinforcing ribs are glass fiber rods.

3. The exterior wall bolt hole plugging structure according to claim 2, wherein the exterior wall bolt hole plugging structure further comprises a waterproof plug; the waterproof plug is arranged in the bolt hole and is positioned at one end of the plugging piece, which is close to the upstream face.

4. The exterior wall bolt hole plugging structure of claim 3, wherein said waterproof plugs are provided in two, one of said waterproof plugs being located at an end of said plugging member near said upstream surface, and the other of said waterproof plugs being located at an end of said plugging member near said downstream surface.

5. The exterior wall bolt hole plugging structure of claim 4, wherein the waterproof plug is a water-swellable rubber plug.

6. The exterior wall bolt hole plugging structure of claim 5, wherein an end of the plugging member near the rear surface is impregnated with an adhesive.

7. The exterior wall bolt hole plugging structure according to claim 6, wherein the exterior wall bolt hole plugging structure further comprises a waterproof layer; the waterproof layer is coated on the upstream face of the wall body and covers the waterproof plug.

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